/Engine/Source/Runtime/CoreUObject/Public/Misc/PackageName.h
Returns true if the path starts with a valid root (i.e. /Game/, /Engine/, etc) and contains no illegal characters. This validates that the packagename is valid, and also makes sure the object after package name is also correct. This will return false if passed a path starting with Classname'
true if a valid object path
static bool IsValidObjectPath ( FStringView InObjectPath, [FText](API\Runtime\Core\Internationalization\FText) * OutReason )